Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister
Weather Forecast, United States

Issued: 9 am Mon 01 Dec Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Light rain (total 8mm), mostly falling on Mon afternoon. Temperatures will be slightly above freezing (max 4°C on Mon morning, min 1°C on Tue night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 62mm), heaviest during Sat night. Mild temperatures (max 7°C on Fri morning, min 4°C on Thu morning). Wind will be generally light.

Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light rain
light rain
rain showers
part cloud
part cloud
light rain
part cloud
light rain
light rain
light rain
heavy rain
mod rain
mod rain
mod rain
rain showers
rain showers
heavy rain
light rain
light rain
light rain
rain shwrs
some clouds
some clouds
light rain
some clouds
light rain
light rain
light rain
heavy rain
mod. rain
mod. rain
mod. rain
rain shwrs
rain shwrs
heavy rain
 km/h
5
S
5
SSE
5
W
0
ESE
0
ESE
0
E
0
SW
0
WSW
5
SSE
5
SSE
5
SSE
5
SSE
10
WSW
15
WSW
10
WSW
10
WSW
5
S
10
SE
 cm 
 mm 
0.4
3
4
0.4
0.1
0.1
4
5
14
8
5
6
5
0.3
15
max°C
4
3
4
4
4
2
4
4
4
4
4
6
7
7
6
6
5
5
min°C
3
3
3
3
3
1
3
3
3
4
4
4
6
7
5
5
4
4
chill°C 
3
3
3
3
3
1
3
3
3
4
4
3
4
4
2
3
4
2
Freezing level (m
1100
1450
1200
1000
1100
900
1150
1150
1200
1350
1400
1700
1900
1750
1350
1350
1350
1350
Cloud base (m)
1850
700
600
600
600
650
650
850
600
600
600
600
550
550
600
600
700
750
Sea lvl1000m2000m3000m4000m5000m
-2-3-5-5-4-3-4-3-2-2-2-1-2-4-5-5-4-3-2-1-2-3-2-2-2-2-2-10222-1-1-10434442444445776655
Sunrise
7:39
7:39
7:41
7:43
7:43
7:45
Sunset
4:14
4:13
4:13
4:12
4:12
4:12

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Light rain (total 8mm), mostly falling on Mon afternoon. Temperatures will be slightly above freezing (max 4°C on Mon morning, min 1°C on Tue night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Heavy rain (total 62mm), heaviest during Sat night. Mild temperatures (max 7°C on Fri morning, min 4°C on Thu morning). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
22 km WSW
94m alt.
46 minutes ago
6° C
Dry
3
Calm
(3 kph at 260).
5
25 km WNW
102m alt.
1 hour ago
6° C
Dry
0
Calm
(0 kph at 144).
3
25 km WSW
198m alt.
55 minutes ago
6° C
Dry
0
Calm
(0 kph at 0).
0
26 km NW
125m alt.
43 minutes ago
4° C
Dry
0
Calm
(0 kph at 329).
3
27 km WSW
99m alt.
1 hour ago
6° C
Dry
0
Calm
(0 kph at 283).
0
28 km NW
152m alt.
42 minutes ago
3° C
Dry
0
Calm
(0 kph at 30).
0
30 km WSW
130m alt.
1 hour ago
5° C
Dry
0
Calm
(0 kph at 309).
0
35 km WNW
19m alt.
1 hour ago
4° C
Dry
0
Calm
(0 kph at 0).
5
35 km WSW
100m alt.
54 minutes ago
6° C
Dry
0
Calm
(0 kph at 98).
6
38 km WSW
56.1m alt.
3 hours ago
5° C
Dry
0
Calm
(0 kph at 240).
5

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.